728036356535 has 8 divisors (see below), whose sum is σ = 873682476576. Its totient is φ = 582403186080.

The previous prime is 728036356519. The next prime is 728036356549. The reversal of 728036356535 is 535653630827.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 728036356535 - 2⁴ = 728036356519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3113276 + ... + 3338945.

It is an arithmetic number, because the mean of its divisors is an integer number (109210309572).

Almost surely, 2^728036356535 is an apocalyptic number.

728036356535 is a deficient number, since it is larger than the sum of its proper divisors (145646120041).

728036356535 is a wasteful number, since it uses less digits than its factorization.

728036356535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6474793.

The product of its (nonzero) digits is 13608000, while the sum is 53.

The spelling of 728036356535 in words is "seven hundred twenty-eight billion, thirty-six million, three hundred fifty-six thousand, five hundred thirty-five".